[Openstack-stable-maint] Stable check of openstack/oslo.log for ref refs/heads/stable/train failed

Build failed. https://zuul.opendev.org/t/openstack/buildset/95c00bb57a3f4647956e13ef405296... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/e88b5d92b22b487cb20d673e822babdb : SUCCESS in 4m 12s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/16cb5ebdc0b74a12a38c68e6101d59ac : SUCCESS in 4m 15s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/8164bf5d5dd545dfa3bcc394af128ee4 : FAILURE in 3m 13s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/04467bdba8574f0b8aae18f9cb9190d1 : FAILURE in 3m 05s